A computer implemented method for profiling electronic media properties and viewers with respect to polarization, comprising:
- a processor accessing a truth set database of viewers having known viewer characteristics and cookies;
- said processor analyzing behavior of viewers in said truth set and recording said viewers' viewing activity with respect to different media properties;
- said processor rating each media property visited by viewers in said truth set according to a degree of polarity with respect to characteristics of said viewers in the truth set;
- based upon said rating, said processor establishing a set of polarized media properties;
- said processor analyzing viewing activity of viewers who are not within said truth set with respect to media viewing activity respective of said set of polarized media properties;
- said processor assigning a degree of polarization to said viewers who are not within said truth set with respect to media viewing activity respective of said set of polarized media properties visited by said viewers who are not within said truth set;
- and
- said processor placing viewers who are not within said truth set to whom a degree of polarization is assigned in a database of polarized viewers.